Shaking and dumping device for furnace-grates.



H. V. DOCKR AY.

SHAKING AND DUMPING DEVICE FOR FURNACE GRATES.

APPLICATION FILED NOV-1h 19!]- 1,270, 1 26. Patented J m 18, 1918.

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HENRY V. DOCKRAY, OF ZANESVILLE, OHIO, ASSIGNOR TO H. V. DOCKRAY BRASS &'IROI\T COMPANY, OF ZANESVILLE. OHIO, A CORPORATION OF OHIO.

Specification of Letters Patent.

Patented June 18, 1918.

Application filed November 17, 1917. Serial No. 202,619.

To all whom it may concern:

Be it known that I, HENRY V. DocKRAY, a citizen of the United States, residing at Zanesville, in the county of Muskingum and State of Ohio, have invented new and useful Improvements in Shaking and Dumping Devices for Furnace-Grates, of which the following is a specification.

This invention relates to a shaking and dumping device for a furnace grate, and the principal object is to provide certain means of novel construction whereby the grate bars or grate sections may be moved to a given extent when shaking the grate, said means preventing movement beyond a predetermined point until the necessary devices are operated, permitting movement to a dumping position.

A further object is to provide in connection with a device of the character indicated, a plurality of pedals designed to be operated in conjunction with a shaking and dumping arm or lever, for producing the results specified.

With the foregoing and other objects in view, the invention consists in the novel construction, combination and arrangement of elements hereinafter described and claimed;

In the accompanying drawings:

Figure 1 is a view in elevation with parts broken away and showing the wall of a furnace in section.

Fig. 2 is a front elevation.

Figs. 3, 4 and 5 are detail views in perspective showing a pivoted arm and two actuating pedals.

Referring to the drawings in detail 10 indicates a plate which may be attached to the front of a boiler and suitably secured by means of bolts or the like 12, this plate carrying ears 14 for pivotally mounting an arm 15 carrying a downwardly extending arm or projection 16 and cross piece 16'.

A bracket 18 extends outwardly from plate 10 and serves to pivotally mount the main lever 20 and a plurality of pedals 21 and 22, these elements being secured by means of the transversely extending bolt 23. Each pedal carries a rearwardly ex tending arm 24 and pedal 21 is designed to throw the arm 15 into position permitting the operation of lever 20 to such an extent as to dump the grate, while pedal 22 produces the movement of arm 15 to a position which will permit of the shaking movement of lever 20.

The main lever is provided with a socket portion 25 for receiving a handle or operating arm 26. The lever is pivoted at 27 to the shaking bar 28 having connection with the grate.

Lever 20 is slotted and carries a projection or tongue designated 30, and arm 26 is provided with a notch 31 cooperating with ton ue 30 and preventing the movement of t e grate bars or sections until one of the pedals is operated. A second slot 32 permits of the movement of the lever 20 to a suflicient extent to provide for the shaking of the grate, and a longer slot 33 permits of the dumping movement of the grate. The pedals 21 and 22 permit of the movement of arm 15 to the required extent for producing cooperation with the roper slot 32 or 33, and as intimated, pe al 21 permits of the dumping operation upon movement of the main lever 20 and the simultaneous operation of that P dal, and pedal 22 permits of the shaking operation upon the movement of arm 20 and the simultaneous movement of the pedal last named.

What is claimed is:

1. In a device of the class described, a pivotally mounted lever, a pivotally mounted arm, said elements including interengaging portions, a pedal for lifting the arm and permitting limited movement of the lever, and a second pedal for further elevating the arm and permitting the movement of the lever to a greater extent.

2. In a device of the class described, a pivotally mounted lever and means for connecting the latter with a grate, a pivotally mounted arm and means associated therewith for controlling the extent of movement of the lever and permitting a shaking or a dumping operation by said lever, said means including a pro ecting member carried by the lever and said arm being provided with a plurality of cutaway ortions, either of which is engaged by said projection, and a plurality of pedals controlling the movement of the arm with reference to said projection.

3. n a device of the class described, a supporting member adapted to be carried by a furnace wall, a lever pivotally connected therewith and adapted for pivotal vided with a pluralityef-cutawva y portions- 011 one edge thereof, means carried by the arm for coperationwith said pedals,- 23nd a projection carried by the lever for co operation With either of said cutaway portlons, the degree of movement of the arm wlth reference to the projectionbe1ng c0n- 10 trolled by the respective pedals.

In testimony whereof I affix my signature.

HENRY V. DOCKRAY.

copies of this patent maybe obtained. for flve goentst-eacm by addressing the commissioner of Patents. 

